Two villages at the same time towards each other left 2 pedestrians and met in 3 hours. The distance between villages is equal to 27 km. Speed of one pedestrian of 4 km/h. Find the speed of the second pedestrian. SOLVE in TWO WAYS, I ASK

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1) The first passed 4×3=12 (km) 2) the second passed 27-12=15 (km) 3) 15:3=5 (km/h) of Answer: 5 km/h speed of the second pedestrian. The 2nd way of 1) 27:3=9 (km/h) general speed 2) 9-4=5 (km/h)
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